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dnitefl tant 1t/latent @wird GEORGE W. sWETT, OF TROY, NEW YORK. Leiters Patent No. cassa-daad July c, `1869.

COOKING-STOVE- The Schedule referred to in these Letters Patent and making parl: of the same.

To all whom it may concern Be it known that I, GEORGE W. SWETT, of Troy, inthe county of Rensselaer, and State of New York, have invented a new and improved Cooking-Stove; and I 'do hereby declare that the following is a full, clear, and exact description thereof', which -will enable others skilled in the art to make and use the same, reference being had to the accompanying drawing, forming part oi' this specification, in which- Figure 1, Sheet I, represents a vertical longitudinal section -O' my improved cooking-stove, the plane of section being indicated by the line :c-z, iig. 2.

. Figure 2, Sheet Lis a plan or top view o f the saine, the top plate of the stove being removed.

Figure 3, Sheet II, is a vertical transverse section of the same, taken on the plane ofthe line 1J-y, iig..1.

Figure 4, Sheet II, is a vertical transverse section ofthe same,'taken on the planeofthe line a-z, fig. 12

. Figure 5, Sheet II, is a detail horizontal section of the same, taken on the plane ofthe line af-x, lig. l.

'Figure 6, Sheet II,"is a detail end view of the lirebox.

Figure 7, Sheet 1I, is a detail plan or top viewI the water-reservoir cover.

Figure 8, Sheet II, is a detail vertical section of the saine, taken on the plane ofthe line 1f-gj, tig. 7.

Similar letters of reference indicate corresponding parts.

This invention relates to anew cooking-stove, which is. so arranged that thefuel, as well as the heat produced by the same, are utilized to the best advantage,v

and that, without any complicated mechanism and arrangement of parts, thorough heating, together with complete draught and good ventilation, will he obtained.

'lhe invention consists,piirst, in making the grate of the stove of a series of--longtudinal and transverse tubes, .that are slotted at the sides, and that coinmunicatcwith each other and with the outer air, so as to be kept cool by the air that passes through them, as well as to supply the lire with air, to facilitate comhustiou.

The invention consists, secondly, in extending the twoV ends of one tube thus formed in the grate, to form hollow trunnions, for pivoting the grate.

The. invention consists, thirdly, in the application of apertures through the sides of the stove, above and below the tiro-place of the same, vand in providing dampers thereon, for the purpose of producing and i regulating greater or less draught directly on the side of the lire-box.

The invention consists, fourthly, in arranging an oven in iront ofthe lire-box, and above the ash-pan, for baking and warming-purposes, it receiving the surplus' heat from the front plate of the tire-box, and serving to heat the air that passes through apertures in the back of said front oven into the fire-box.

The invention consists, fifthly, in providing a damper above the fire-place, in the transversely-undivided up` of gases is therebyobtained, as they all have to pass back through the flame. l

The invention consists, sixthly, in providing, by means of a plate, a channel underrthe main oven, whereby,

through side-openings of the stove, cold air is drawn in and carried to the back of the tire-place.

The invention consists, seventhly, in providing a draughtfchannel and chamber in'front of the tire-place, under the hearth-plate.

The invention consists, eighthly, in carrying the aforesaid front'and back channels so far under thegrate that a narrow cold-air entrance, for carrying air to aid combustion, is provided.

rlhe invention consists, ninthly, in conducting-pipes from the hot-Water reservoir to the lire-place, for' the purpose of supplyingI steam to the iiaine, whereby combustion is aided.' v

The invention consists, tenthly, in arranging in the main oven'a shield, perforated at the upper and lower ends, whereby a circulation within the oven is obtained, to have the temperature therein'even,

The invention consists, eleventhly, in providing a horizontal partition in the chamber that surrounds the hot-water reservoir, and in forming an entrance to said chamber'in the lower part of the same, so that the smoke will rst enter the lower part of the chamber, then rise through an 'aperture in the horizontal partition,and"iinal1y escape from the upper part of the chamber, through an aperture, into the regular smokechannel'ofthe stove. The reservoir will thus receive a complete circulation of hot products of combustion.

, absorption of its heat..

The invention consists, fourteentbly, in the application of a suspended draught-plate in the ashpan, said plate serving to guide the front draught in a solid colu(t1nnfilirectly to the flame, to prevent its being scat-'- tere The invention, finally, consists in providing within the aforesaid oven, which is in front of the fire-place, a perforated hinged plate, which will serve to support vessels or articles to be heated, and which can be These seven parts are connected in suitable manner,

to form a stove of suitable form and size.,

G is the nre-box, inserted between the i'ont plate E of the stove and the front plate a of the oven II, in such manner thatan air-space, b, is formed all around the fire-borg, said air-space being closed ontop by the inclined side and end plates of the fire-box, as shown in iig. 1. 4 z

The upper parts of the sides and ends of the firebox are perforated, as shown, so that air can, from the channel or air-space b, enterv the upper part ofthe {ire-box.

Above the tirebox are apertures, c c, through the sides B of the stove,.whch apertures can be more or less closed by means ofslidiug Aor other damper-s, (l.

I represent-s the grate. v

It is composed of a series of longitudinal and transverse tubes, all communicating with each other, and is made of two metal plates, c e, which form respectively the upper and lower halves of said tubes, as shown.

The longitudinal tubes are open at their ends, and are in line with apertures f, that are arranged through the end of the lire-box, and that communicate with open t11bes,g, that are arranged through the sides B ofthe stove, as shown in tig.Y 5.

rlhe tubular grate receives thus a full supply of air from the outside, through the tubes g and holes f, and this air escapes into the stove through crevices left between the two plates c e.

The central longitudinal tube 7i, ofthe grate, is prolonged beyond the ends of the grate, fortlie purpose of reaching through the ends of the re-box and stove, to'form the pivoted support of the grate.

The ends of the tube h are also open, to allow the circulation of air 'through the same.

The apertures c, besides serving as draughtdloles, may also be used for inserting instruments for stirring or adjusting the fuel on the grate. v

The front stove-plate D has a series of apertures, that may be closed or more or less opened, by means of a slide, j.

Between the hearth-plate C and the bottom plate A of the stove is arranged the ash-pan J, which receives air through apertures in the heartl1-plate`,'that can be regulated by a slide, k.

From the hearth-plate C is suspended into the ash pan a transverse plate, K, which reaches nearly to the bottom of the ash-pan, and from end to end of the same. It serves to cause the air entering through the apertures ofthe hearth-plate to be collected at the bottom of the ash-pan, and to pass under the lower edge of the plate K, so that it will, in a solid body, be conducted to the fire-place. When allowed to scatter in the ash-pan, the air is not as valuable to aid eom bustion as it is when thus confined to a proper channel. The plate K is pivoted so that it will swing aside when the ash-pan is pnt in or withdrawn from thev stove, and rcadjnst itself, by its own weight, as soon as the ash-pan is replaced.

Under the hearth-plate O is arranged an air-passage, l, by a horizontalpartition m. This partition extends under the hearth-plate, about to the plate K, and in rear it reaches some distance under the grate, as shown in fig. 1. It is turned up under the grate, and'is perforated on its back portion, as is clearly shown in fig. 1.

`The channel lreceives its air through apertures, a, of the hearth-plate.

In front of the plate D may be arranged, upon the hearth-plate O, au oven, L, with hinged or other front doors, o, so that the otherwise lost heatof the front l plate may be utilized.

In'thisoven may be arranged a perforated supporting-plate, p, some distance 'above the hearth-plate,

hinged to the plate D, so that it can be swun'gvnp out channel, s, between q and lr, which air is not only carried into the space b, but also, through apertures in the front bulged-out end of r, to the lower side of the firebox. Those apertures, t, through the sides B, which are in line with the bulged-out parts of fr may have dampcrs, to-regulate the draught, as shown.

Around the top, bottom, and back of the oven H extends the sinoke-passage M, which is not subdivided into narrow channels, but which extends from side to side of the stove; p

In any suit-able part of the passage M, above the oven, is arranged atransverse damper, N, which, when turned up, as in Iig. 1, will prevent the smoke from passing upward. 'lhe smoke will thereby'lbe thrown down through the iiame and grate, and will have to reach the sinoke-passage under the plate r, and thence pass up in the vertical back passage. To facilitate its entrance into the lower channel, I have provided an ogee-shaped plate, u, which is attached to the bottom of the stove, and laps over the back edge of the ashpan, as shown. y

In the upper horizontal passage M is arranged a horizontal shaft, O, which reaches from the back plate E any desired distance in front. It serves to carry the smoke that ascends in the rear passage forward again overthe oven, and then back again to the smoke-pipe l.

In the oven H is arranged a vertical plate, V, some` distance from the front plate a, and perforated at' the upper and lower endsas shown. It serves to produce .a circulation of the air in the oven, to equalize the temperature therein.

R is the hot-water reservoir, ,secured in a case, S,

4that projects from and is attached to the back plate E of the stove.

A plate, J, serves'as top or covering-plate for the reservoir and case. A

From the water-reservoir extend forward to the fireplace one or more` small pipes, w w, which serve to posite the aperture b.

When the damper U is swung across the smokechannel, as in iig. I, the smoke will all have to pass through the aperture a into the chamberz, around the reservoir, and will then, after having entirely enveloped the lower part of the reservoir, pass through an aperture in the hack part ofthe partition x, into the upper chamber y, where it cuvelopesthe upper part ofthe reservoir. The smoke finally escapesn through the opening b.

rlhe damper U is perforated, so as `to still allow some smoke to pass directly up in the smoke-passage, `that draught may not be too much impeded.

When the damper U is swung up, to close the hole a', some, although but little, smoke will pass through its apertures into the lower chamber z, and escape through b', so that some circulation of smoke around the reservoir is always kept up, unless the damper U is closed. 1

Throughthe plate T are arranged apertures, to reeeive the hinged covers WV of the reservoir. These hinged covers havel their edges bevelled inward on the under side, as shown in iig. 8, and fit upon correspondingly-bevelled edges of the plate T. By this arrangement, all the water dropping off a cover, W, when the same is opened, will llow back into the reservoir.

The pivots c', of the cover W, are set some distance from the inner ends cf said covers, so that said inner en d will be lowered into the reservoir when the upper part is swung up, as shown by red lines in fig. 8.

I am aware that dampers have been arranged within the upper horizontal flue of a cooking-stove, above the oven, and I am also aware that` imperforate dampers have been placed in the back vertical lues, but these I do not claim broadly, as they are not of my invention; but l Having thus described my invention,

What I claim, as new, and desire to securezby Letters Patent, is

1.l Ihe tubular grate I, consisting of two plates, e e,

substantially as described, so that it will form longi -tudinal and transverse tubes, with open sides, sub-- stantially as aud for the purpose herein shown and described. y

2. Extending the central pipe h ofthe grate beyond the ends of the saine, to form the hollow open-ended trunnions, upon which the grate can be reversed, as herein shown and described.

3. The openings f, in the fire-box, communicating with the open ends of the long tubes of vthe grate, in combination with the short tubes g in the sides of the stove, to operate as specified.

4. The openings c and t, in the side of thel stove, arranged with relation to the top of the fire-box, and the air-passage b, between the front plate a of the oven, the back of the firehox, and the perforated plate r, br the purpose of permitting a regulated supply of air to be brought to the fire-box from 'the sides of the stove, as herein shown and described.

5. The damper N, in combination with the fire-box G, arranged above said fire-box across the smoke-passage M, for the purpose of throwing the smoke down through the grate, as specified.

6. Ihe plate/r, perforated at its. curved front end,

interposed between the bottom of the stove and the oven H, for the purpose of forming the smoke-passage M, and the air-passage s, in which air is, through openings in the sides of the stove, carried to the back and bottoml of the lire-box, as specified.

7. The draught-chamber l, formed under the hearthplate, and in front of the lire place, by means of the perforated plate m, substantially as her'ein shown and described. s

8. The channels l and s, when carried so far under the grate as to produce a narrow air-entrance under the same, substantially as herein shown and described.

9. The pipes yfw w, extending 'from the hot-water reservoir to the Jdre-place of a stove, or near to the said fire-place, substantially as and .for the purpose herein shown and described.

10. rJlhe perforated shield o, arranged in the oven H, to produce circulation, by causing the heated air to traverse behind the shield from the upper to the lower side of the oven, as herein shown and described, for the purpose specified. i 11. The horizontal partition 2:, arranged in the case S, with relation to the reservoir and openings a and b in the back plate E of the stove, whereby the products of combustion are directed from the flue M, through the opening a', into the lower chamber z, and around the back of the boiler to the upper chamber y, escapf ing into the due M through the opening b', as herein described, for the`purpose specied.

12. The suspended draught-plate K,^pivoted to the hearth-plate, and arranged in and across the ash-pan, substantially as herein shown and described.' v

13. lThe hinged perforated plate p, arranged within the front oven L, substantially as herein shown and described, so that it can be swung out of the way, as speciiied.

14. AThe perforated damper U, arranged in the back smoke-passage, opposite the opening a to the cham` ber 5, substantially as herein shown and described, to operate as specified. s

15. The combination of the dampersU and V with the openings a' b', chambers z and l1, and horizontal partition x, all arranged and operating substantially as herein shown and described.

16. The plate u, arranged in rear of the ash-pan, for the purpose of conducting the downward-passingsmoke to the channel M, as set forth.

GEORGE NV. SWETIH Witnesses:

n FRANK BLOCKLEY,

ALEX. F. ROBERTS. 

